N-{[(1R,4S,5R,8S,12R,13R)-1,5-dimethyl-10(trifluoromethyl)-1 1,14,15,16-tetraoxatetracyclo[10.3.1.04,13.08,13]hexadec-9-e n-9-yl}-N-{[1S,4R,5R,8R,12R,13S)-1,5-dimethyl-10-trifluorome thyl)-11,14,15,16-tetraoxatetracyclo[10.3.1.04,13.08,13]hexa dec-9-en-9-yl]methyl}-N-methylamine NSC724777